While focus is on North Korea, China continues South China Sea buildup: think tank

WASHINGTON (Reuters) - While attention in Asia has been distracted by the North Korean nuclear crisis in the past year, China has continued to install high-frequency radar and other facilities that can be used for military purposes on its man-made islands in the South China Sea, a U.S. think tank said on Thursday.

FILE PHOTO: Construction is shown on Fiery Cross Reef, in the Spratly Islands, the disputed South China Sea in this June 16, 2017 satellite image released by CSIS Asia Maritime Transparency Initiative at the Center for Strategic and International Studies (CSIS) to Reuters on June 29, 2017. MANDATORY CREDIT CSIS/AMTI DigitalGlobe/Handout via REUTERS/File Photo

Chinese activity has involved work on facilities covering 72 acres (29 hectares) of the Spratly and Paracel islands, territory contested with several other Asian nations, according to the Asia Maritime Transparency Initiative of Washington’s Center for Strategic and International Studies. The report cited satellite images.

The United States and its allies oppose China’s building of artificial islands in the South China Sea and their militarization, given concerns Beijing plans to use them to deny access to strategic routes.

“It’s completely normal for China to conduct peaceful construction and build essential defense equipment on its own sovereign territory,” China’s foreign ministry spokesman Lu Kang told a regular press briefing on Friday, in response to a question about the report.

“We believe certain people who have ulterior motives are making mountains out of molehills and stirring up trouble.”

The report said that in the last several months China had constructed what appeared to be a new high-frequency radar array at the northern end of Fiery Cross Reef in the Spratlys.

Subi Reef had seen tunnels completed that were likely for ammunition storage and another radar antenna array and radar domes, the report said.

Construction on Mischief Reef included underground storage for ammunition and hangars, missile shelters and radar arrays.

Smaller-scale work had continued in the Paracel Islands, including a new helipad and wind turbines on Tree Island and two large radar towers on Triton Island.

It said the latter were especially important as waters around Triton had been the scene of recent incidents between China and Vietnam and multiple U.S. freedom-of-navigation operations, which the U.S. navy has used to assert what it sees as its right to free passage in international waters.

Woody Island, China’s military and administrative headquarters in the South China Sea, saw two first-time air deployments “that hint at things to come at the three Spratly Island air bases farther south,” the report said.

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At the end of October, the Chinese military released images showing J-11B fighters at Woody Island for exercises, while on Nov. 15, AMTI spotted what appeared to be Y-8 transport planes, a type that can be configured for electronic surveillance.

The Pentagon has conducted several patrols near Chinese-held South China Sea territory this year, even as it has sought China’s help in northeast Asia to press North Korea to give up its nuclear weapons program.

On Tuesday, U.S. Secretary of State Rex Tillerson reiterated a call for a “freeze” in China’s island building and said it was unacceptable to continue their militarization.

Reporting by David Brunnstrom; Additional reporting by Sue-Lin Wong in BEIJING; Editing by James Dalgleish